*{
    margin: 0;
    padding: 0;
}
body{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(20deg,gold,lightsalmon);
}
.container{
    background:white;
    width: 650px;
    height: 415px;
    box-shadow: 5px 5px 5px rgba(0,0,0,.1);
    position: relative;
    opacity: .9;
    border-radius: 10px;
}
.box{
    position:absolute;
    top: -10%;
    left: 5%;
    background: lightsalmon;
    height: 500px;
    width: 320px;
    box-shadow: 5px 5px 5px rgba(0,0,0,.1);
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    transition: 0.5s ease-out;

}
.register,.login{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}
.hidden{
    display: none;
    transition: 0.8s;
}
h1{
    text-align: center;
    margin-bottom: 25px;
    text-transform: uppercase;
    color: black;
    letter-spacing: 5px;
}
input{
    background: transparent;
    width: 70%;
    color: white;
    border: none;
    outline: none;
    border-bottom: 1px solid rgba(255,255,255,.2);
    padding: 10px 0;
    margin: 10px;
    text-indent: 10px;
    font-size: 14px;
    letter-spacing: 3px;
}
input::placeholder{
    color: firebrick;
}
input:hover{
    color: black;
    outline: none;
    border: none;
    border-bottom: 1px solid lightsalmon;
    transition: 0.5s;
}
input:hover::placeholder{
    opacity: .5;
}
button{
    width: 50%;
    background-color: white;
    height: 40px;
    border-radius: 40px;
    margin: 10px;
    color:lightsalmon ;
    font-size: 19px;
    border: 1px solid lightcoral;
    cursor: pointer;
}
button:hover{
    background-color:antiquewhite ;
    opacity: .5;
    transition: background-color 0.5s ease;
}
.boxmove{
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.boxmove.left{
    left: -1%;
}
.boxmove.right{
    right: 1%;
}
p{
    margin-top:5px;
    color: black;
    font-size: 18px;
}
span{
    color:gold;
    font-size: 20px;
}
#logincover{
    right: 20px;
}
span{
    font-size: 15px;
    color: lightsalmon;
}
a{
    position: absolute;
    margin-top: 300px;
    margin-left: 160px;
    text-decoration: none;
    color: blue;
}
#username_err{
    color: red;
}
#remember{
    position: absolute;
    margin-top: 250px;
    margin-left: -180px;
}